Skin infections in dogs are fairly common and can be caused by bacteria, fungi (like yeast), or parasites. These infections can lead to discomfort, scratching, hair loss, and more serious health issues if not treated.
🐶 Common Types of Skin Infections in Dogs
| Type | Cause | Symptoms | Examples |
|---|---|---|---|
| Bacterial | Staphylococcus pseudintermedius | Redness, bumps, pustules, crusting, odor | Pyoderma |
| Fungal | Malassezia (yeast), dermatophytes | Itching, greasy skin, darkened or thickened skin | Yeast infection, ringworm |
| Parasitic | Mites, fleas | Intense itching, hair loss, sores | Mange (demodectic or sarcoptic), flea allergy dermatitis |
| Allergic secondary infections | Allergies to food, environment, fleas | Chronic itching, licking, ear infections | Atopic dermatitis, flea allergy dermatitis |
🔍 Symptoms to Watch For
Excessive scratching or licking
Red, inflamed, or scabby skin
Hair loss in patches
Foul skin odor
Greasy or flaky skin
Lumps or pustules
🩺 Diagnosis
A veterinarian may use:
Skin scrapings
Fungal cultures
Bacterial swabs
Allergy testing
Blood work
💊 Treatment Options
Antibiotics for bacterial infections
Antifungal medications (oral or topical)
Anti-parasitic treatments (like selamectin, ivermectin, etc.)
Medicated shampoos (antibacterial, antifungal)
Allergy management (diet changes, antihistamines, steroids)
✅ Prevention Tips
Regular grooming and bathing
Flea and tick prevention
Prompt treatment of wounds or skin irritation
Allergy testing if chronic skin issues occur
